docs: update README

README.md

@@ -1,2 +1,60 @@
-# kli
-Tiny CLI building tools for go apps
+
+# A Simple CLI library. Dependency free.
+
+### Features
+
+  * Nested Subcommands
+  * Uses the standard library `flag` package
+  * Auto-generated help
+  * Custom banners
+  * Hidden Subcommands
+  * Default Subcommand
+  * Dependency free
+
+### Example
+
+```go
+package main
+
+import (
+   "fmt"
+   "log"
+
+	"github.com/layer-3/neodax/finex/pkg/kli"
+)
+
+func main() {
+
+	// Create new cli
+	cli := kli.NewCli("Flags", "A simple example", "v0.0.1")
+
+	// Name
+	name := "Anonymous"
+	cli.StringFlag("name", "Your name", &name)
+
+	// Define action for the command
+	cli.Action(func() error {
+		fmt.Printf("Hello %s!\n", name)
+		return nil
+	})
+
+	if err := cli.Run(); err != nil {
+		fmt.Printf("Error encountered: %v\n", err)
+	}
+
+}
+```
+
+#### Generated Help
+
+```shell
+$ flags --help
+Flags v0.0.1 - A simple example
+
+Flags:
+
+  -help
+        Get help on the 'flags' command.
+  -name string
+        Your name
+```